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Related Party Transactions (Table Text Block)

12 Months Ended

Mar. 31, 2025

Related Party Revenue [Abstract]

Related Party Revenues

		Years Ended March 31,
		2025				2024				2023
		(In thousands)
U-Haul management fee revenue from Blackwater	$		29,903		$		29,702		$		29,825
U-Haul management fee revenue from Mercury			6,908				7,302				7,248
	$		36,811		$		37,004		$		37,073

Related Party Costs and Expenses

		Years Ended March 31,
		2025				2024				2023
		(In thousands)
U-Haul lease expenses to Blackwater	$		2,416		$		2,416		$		2,416
U-Haul printing expenses to Blackwater			4,624				3,681				—
U-Haul commission expenses to Blackwater			83,685				82,095				88,067
U-Haul lease expenses to Mercury			152				25				—
U-Haul commission expenses to Mercury			22,530				1,893				—
	$		113,407		$		90,110		$		90,483

Related Party Assets

		March 31,
		2025				2024
		(In thousands)
U-Haul receivable from Blackwater	$		28,442		$		31,950
U-Haul receivable from Mercury			12,517				24,536
Other (a)			4,044				1,448
	$		45,003		$		57,934

X

- Definition

The Company has not provided financial or other support explicitly or implicitly during the period ended to any of these entities that it was not previously contractually required to provide. The carrying amount and the classification of assets and liabilities in the Company's balance sheet that related to the Company's variable interest in the Blackwater's entities are noted here, which approximate the maximum exposure to loss as a result of the Company's involvement with these entities.

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No definition available.

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- Definition

Related Party Revenue Abstract

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- Definition

Tabular disclosure of each detailed component of other operating costs and expenses that are applicable to sales and revenues, but not included in the cost of sales in the income statement.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(3))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2

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- Definition

Tabular disclosure of related party transactions. Examples of related party transactions include, but are not limited to, transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners and (d) affiliates.

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